[llvm] [LV]Support dropping of nneg flag for zext widencast recipes. (PR #74112)

[Florian Hahn via llvm-commits]

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@@ -0,0 +1,93 @@
+; RUN: opt -passes=loop-vectorize -mtriple=riscv64-unknown-linux-gnu -mattr=+v < %s -debug-only=loop-vectorize -disable-output 2>&1 | FileCheck %s
+; REQUIRES: asserts
+
+define void @test() {
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fhahn wrote:

It should be possible to have the print test target independent in `llvm/test/Transforms/LoopVectorize/vplan-printing.ll` as testing printing doesn't need conditional blocks I think

https://github.com/llvm/llvm-project/pull/74112